Clarence estimated the number of marbles in a jar as 500. There are actually 420marbles in the jar. What is the percent error of his estimate? Round to the nearest tenth percent if necessary.

Do 12/14 and 8/10 have the same value? explain your answer.

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.